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查房服务程序与标准
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【判断题】短路冲击电流有效值就是短路后第一个周期的短路有效值。当高压电路短路时，短路冲击电流有效值是短路电流周期分量有效值的1.51倍；低压电路短路冲击电流有效值是短路电流周期分量有效值的1.09倍。
A.
正确
B.
错误
【单选题】—Do you think it wise for Chinese parents to try to do everything for their children? —No, that’s
A.
27．—Do you think it wise for Chinese parents to try to do everything for their children? —No, that’s_________they are mistaken. A．where
B.
when
C.
what
D.
How
【单选题】短路后第一个周期的短路电流周期分量的有效值，称为 。
A.
短路冲击电流 i sh
B.
短路冲击电流有效值 I sh
C.
短路次稳态电流有效值 I ”
D.
短路稳态电流有效值 I ∞
【单选题】The author's opinion is______that of those who draw distinctions between civil liberties and civil rights.
A.
different from
B.
the same with
C.
as precise as
D.
more precise than
【简答题】PLSQL设置问题从PLSQL导出的SQL,再直接导入后全是乱码，应该怎么解决？ 是需要修改PLSQL的设置吗？
【简答题】短路后第一个周期的短路电流周期分量有效值称为 。
【判断题】短路冲击电流有效值就是短路后第一个周期的短路电流有效值。当高压电路短路时，短路冲击电流有效值是短路电流周期分量有效值的1.51倍。低压电路短路冲击电流有效值是短路电流周期分量有效值的1.09倍。
A.
正确
B.
错误
【单选题】I will be surprised if you can get Calvin, who is very mean, ______ these donation draw tickets from you．
A.
buy
B.
buying
C.
buys
D.
to buy
【单选题】People who believe that war is instinctive with men draw evidences from______.
A.
biology
B.
scientific experiments
C.
philosophy
D.
human history
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